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sinky/app.js

Last active January 2, 2016 02:18
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QR Code Generator; Demo: http://bl.ocks.org/sinky/8235773
Raw
app.js
$(function() {
var data = location.hash.substring(1);
data = Base64.decode(data);
genQR(data);
$('#in').val(data);
$('#in').bind('keyup', function() {
var data = $(this).val();
genQR(data);
});
});
function genQR(data){
if(data.length > 0) {
$('#qr').show();
}else{
$('#qr').hide();
}
$('#qr').html('').attr('title', data).qrcode({
width: 150,
height: 150,
color: '#444',
text: data
});
$('#content').text(data);
}
Raw
base64.min.js
/* Base64 encode/decode http://www.webtoolkit.info/ */
var Base64={_keyStr:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",encode:function(a){var c,d,e,f,g,h,i,b="",j=0;for(a=Base64._utf8_encode(a);j<a.length;)c=a.charCodeAt(j++),d=a.charCodeAt(j++),e=a.charCodeAt(j++),f=c>>2,g=(3&c)<<4|d>>4,h=(15&d)<<2|e>>6,i=63&e,isNaN(d)?h=i=64:isNaN(e)&&(i=64),b=b+this._keyStr.charAt(f)+this._keyStr.charAt(g)+this._keyStr.charAt(h)+this._keyStr.charAt(i);return b},decode:function(a){var c,d,e,f,g,h,i,b="",j=0;for(a=a.replace(/[^A-Za-z0-9\+\/\=]/g,"");j<a.length;)f=this._keyStr.indexOf(a.charAt(j++)),g=this._keyStr.indexOf(a.charAt(j++)),h=this._keyStr.indexOf(a.charAt(j++)),i=this._keyStr.indexOf(a.charAt(j++)),c=f<<2|g>>4,d=(15&g)<<4|h>>2,e=(3&h)<<6|i,b+=String.fromCharCode(c),64!=h&&(b+=String.fromCharCode(d)),64!=i&&(b+=String.fromCharCode(e));return b=Base64._utf8_decode(b)},_utf8_encode:function(a){a=a.replace(/\r\n/g,"\n");for(var b="",c=0;c<a.length;c++){var d=a.charCodeAt(c);128>d?b+=String.fromCharCode(d):d>127&&2048>d?(b+=String.fromCharCode(192|d>>6),b+=String.fromCharCode(128|63&d)):(b+=String.fromCharCode(224|d>>12),b+=String.fromCharCode(128|63&d>>6),b+=String.fromCharCode(128|63&d))}return b},_utf8_decode:function(a){for(var b="",c=0,d=c1=c2=0;c<a.length;)d=a.charCodeAt(c),128>d?(b+=String.fromCharCode(d),c++):d>191&&224>d?(c2=a.charCodeAt(c+1),b+=String.fromCharCode((31&d)<<6|63&c2),c+=2):(c2=a.charCodeAt(c+1),c3=a.charCodeAt(c+2),b+=String.fromCharCode((15&d)<<12|(63&c2)<<6|63&c3),c+=3);return b}};
Raw
index.html
<html>
<head>
<title>QRcode</title>
<link href="style.css" media="screen, print" rel="stylesheet" />
</head>
<body>
<div class="container">
<h1>Uberspace.de QRcode</h1>
<p>
<input type="text" id="in" placeholder="Eingabe" />
</p>
<div id="qr"></div>
<a href="?#b3RwYXV0aDovL3RvdHAvZWxpc2VAYXJnb24udWJlcnNwYWNlLmRlP3NlY3JldD1YWFhYWFhYWFhYWFhYWFhY">Beispiel URL</a>
</div>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<script src="base64.min.js"></script>
<script src="jquery.qrcode.min.js"></script>
<script src="app.js"></script>
<!-- License: http://marco.mit-license.org/ -->
</body>
</html>
Raw
jquery.qrcode.min.js
/*! jQuery.qrcode 0.7.0 - //larsjung.de/qrcode - MIT License */
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f=r.isDark,g=n+i,s=o+i,h=e.radius*i,v=a-1,d=a+1,w=u-1,m=u+1,T=f(a,u),y=f(v,w),p=f(v,u),B=f(v,m),E=f(a,m),k=f(d,m),A=f(d,u),M=f(d,w),D=f(a,w);T?l(t,n,o,g,s,h,!p&&!D,!p&&!E,!A&&!E,!A&&!D):c(t,n,o,g,s,h,p&&D&&y,p&&E&&B,A&&E&&k,A&&D&&M)},s=function(t,e,o){var i,a,u=t.moduleCount,l=o.size/u,c=f;for(n&&o.radius>0&&o.radius<=.5&&(c=g),e.beginPath(),i=0;u>i;i+=1)for(a=0;u>a;a+=1){var s=o.left+a*l,h=o.top+i*l,v=l;c(t,e,o,s,h,v,i,a)}if(r(o.fill).is("img")){e.strokeStyle="rgba(0,0,0,0.5)",e.lineWidth=2,e.stroke();var d=e.globalCompositeOperation;e.globalCompositeOperation="destination-out",e.fill(),e.globalCompositeOperation=d,e.clip(),e.drawImage(o.fill,0,0,o.size,o.size),e.restore()}else e.fillStyle=o.fill,e.fill()},h=function(t,e){var n=o(e.text,e.ecLevel,e.minVersion,e.maxVersion,e.quiet);if(!n)return null;var i=r(t).data("qrcode",n),a=i[0].getContext("2d");return u(n,a,e),s(n,a,e),i},v=function(t){var e=r("<canvas/>").attr("width",t.size).attr("height",t.size);return h(e,t)},d=function(t){return r("<img/>").attr("src",v(t)[0].toDataURL("image/png"))},w=function(t){var e=o(t.text,t.ecLevel,t.minVersion,t.maxVersion,t.quiet);if(!e)return null;var n,i,a=t.size,u=t.background,f=Math.floor,l=e.moduleCount,c=f(a/l),g=f(.5*(a-c*l)),s={position:"relative",left:0,top:0,padding:0,margin:0,width:a,height:a},h={position:"absolute",padding:0,margin:0,width:c,height:c,"background-color":t.fill},v=r("<div/>").data("qrcode",e).css(s);for(u&&v.css("background-color",u),n=0;l>n;n+=1)for(i=0;l>i;i+=1)e.isDark(n,i)&&r("<div/>").css(h).css({left:g+i*c,top:g+n*c}).appendTo(v);return v},m=function(r){return e&&"canvas"===r.render?v(r):e&&"image"===r.render?d(r):w(r)},T={render:"canvas",minVersion:1,maxVersion:40,ecLevel:"L",left:0,top:0,size:200,fill:"#000",background:null,text:"no text",radius:0,quiet:0,mode:0,mSize:.1,mPosX:.5,mPosY:.5,label:"no label",fontname:"sans",fontcolor:"#000",image:null};r.fn.qrcode=function(t){var e=r.extend({},T,t);return this.each(function(){"canvas"===this.nodeName.toLowerCase()?h(this,e):r(this).append(m(e))})};var y=function(){function r(t,e){if("undefined"==typeof t.length)throw new Error(t.length+"/"+e);var n=function(){for(var r=0;r<t.length&&0==t[r];)r+=1;for(var n=new Array(t.length-r+e),o=0;o<t.length-r;o+=1)n[o]=t[o+r];return n}(),o={};return o.get=function(r){return n[r]},o.getLength=function(){return n.length},o.multiply=function(t){for(var e=new Array(o.getLength()+t.getLength()-1),n=0;n<o.getLength();n+=1)for(var i=0;i<t.getLength();i+=1)e[n+i]^=a.gexp(a.glog(o.get(n))+a.glog(t.get(i)));return r(e,0)},o.mod=function(t){if(o.getLength()-t.getLength()<0)return o;for(var e=a.glog(o.get(0))-a.glog(t.get(0)),n=new Array(o.getLength()),i=0;i<o.getLength();i+=1)n[i]=o.get(i);for(var i=0;i<t.getLength();i+=1)n[i]^=a.gexp(a.glog(t.get(i))+e);return r(n,0).mod(t)},o}var t=function(t,e){var o=236,a=17,c=t,g=n[e],s=null,h=0,d=null,w=new Array,m={},T=function(r,t){h=4*c+17,s=function(r){for(var t=new 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w=s+d.getLength()-f[l].length;f[l][s]=w>=0?d.get(w):0}}for(var m=0,s=0;s<e.length;s+=1)m+=e[s].totalCount;for(var T=new Array(m),y=0,s=0;o>s;s+=1)for(var l=0;l<e.length;l+=1)s<u[l].length&&(T[y]=u[l][s],y+=1);for(var s=0;a>s;s+=1)for(var l=0;l<e.length;l+=1)s<f[l].length&&(T[y]=f[l][s],y+=1);return T},C=function(r,t,e){for(var n=u.getRSBlocks(r,t),l=f(),c=0;c<e.length;c+=1){var g=e[c];l.put(g.getMode(),4),l.put(g.getLength(),i.getLengthInBits(g.getMode(),r)),g.write(l)}for(var s=0,c=0;c<n.length;c+=1)s+=n[c].dataCount;if(l.getLengthInBits()>8*s)throw new Error("code length overflow. 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",e+=m.isDark(n,o)?"#000000":"#ffffff",e+=";",e+='"/>';e+="</tr>"}return e+="</tbody>",e+="</table>"},m.createImgTag=function(r,t){r=r||2,t="undefined"==typeof t?4*r:t;var e=m.getModuleCount()*r+2*t,n=t,o=e-t;return v(e,e,function(t,e){if(t>=n&&o>t&&e>=n&&o>e){var i=Math.floor((t-n)/r),a=Math.floor((e-n)/r);return m.isDark(a,i)?0:1}return 1})},m};t.stringToBytes=function(r){for(var t=new Array,e=0;e<r.length;e+=1){var n=r.charCodeAt(e);t.push(255&n)}return t},t.createStringToBytes=function(r,t){var e=function(){for(var e=s(r),n=function(){var r=e.read();if(-1==r)throw new Error;return r},o=0,i={};;){var a=e.read();if(-1==a)break;var u=n(),f=n(),l=n(),c=String.fromCharCode(a<<8|u),g=f<<8|l;i[c]=g,o+=1}if(o!=t)throw new Error(o+" != "+t);return i}(),n="?".charCodeAt(0);return function(r){for(var t=new Array,o=0;o<r.length;o+=1){var i=r.charCodeAt(o);if(128>i)t.push(i);else{var a=e[r.charAt(o)];"number"==typeof a?(255&a)==a?t.push(a):(t.push(a>>>8),t.push(255&a)):t.push(n)}}return t}};var e={MODE_NUMBER:1,MODE_ALPHA_NUM:2,MODE_8BIT_BYTE:4,MODE_KANJI:8},n={L:1,M:0,Q:3,H:2},o={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7},i=function(){var t=[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],n=1335,i=7973,u=21522,f={},l=function(r){for(var t=0;0!=r;)t+=1,r>>>=1;return t};return f.getBCHTypeInfo=function(r){for(var t=r<<10;l(t)-l(n)>=0;)t^=n<<l(t)-l(n);return(r<<10|t)^u},f.getBCHTypeNumber=function(r){for(var t=r<<12;l(t)-l(i)>=0;)t^=i<<l(t)-l(i);return r<<12|t},f.getPatternPosition=function(r){return t[r-1]},f.getMaskFunction=function(r){switch(r){case o.PATTERN000:return function(r,t){return 0==(r+t)%2};case o.PATTERN001:return function(r){return 0==r%2};case o.PATTERN010:return function(r,t){return 0==t%3};case o.PATTERN011:return function(r,t){return 0==(r+t)%3};case o.PATTERN100:return function(r,t){return 0==(Math.floor(r/2)+Math.floor(t/3))%2};case o.PATTERN101:return function(r,t){return 0==r*t%2+r*t%3};case o.PATTERN110:return function(r,t){return 0==(r*t%2+r*t%3)%2};case o.PATTERN111:return function(r,t){return 0==(r*t%3+(r+t)%2)%2};default:throw new Error("bad maskPattern:"+r)}},f.getErrorCorrectPolynomial=function(t){for(var e=r([1],0),n=0;t>n;n+=1)e=e.multiply(r([1,a.gexp(n)],0));return e},f.getLengthInBits=function(r,t){if(t>=1&&10>t)switch(r){case e.MODE_NUMBER:return 10;case 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Raw
style.css
.container {
text-align: center;
margin: 0 15px;
}
#in {
padding: 5px;
}
#qr {
display: none;
}
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